—Has your father returned from Europe yet?
—Yes, but he ______ here for only three days before his company sent him to America.
| A．was | B．has been | C．will be | D．would be |
We cannot figure out ______ quite a number of students were infected with the flu.
| A．that | B．when | C．why | D．where |
I ______ of your trying to earn some money, but please don’t ignore your studies.
| A．permit | B．agreed | C．promise | D．approve |
The boss ______Mary to finish her job within a week.
| A．suggested | B．insisted | C．demanded | D．required |
Maggie is a neat and tidy student, who likes to have everything ______.
| A．in public | B．in place | C．in return | D．in practice |
Recently I realized the fact that I can now organize my own time, which ______.
| A．makes a good sense | B．makes a great contribution |
| C．makes a deep impression | D．makes a big difference |